US20130071738A1 - Soft package lithium battery tab material and its method of plating and application - Google Patents

Soft package lithium battery tab material and its method of plating and application Download PDF

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Publication number
US20130071738A1
US20130071738A1 US13/578,258 US201113578258A US2013071738A1 US 20130071738 A1 US20130071738 A1 US 20130071738A1 US 201113578258 A US201113578258 A US 201113578258A US 2013071738 A1 US2013071738 A1 US 2013071738A1
Authority
US
United States
Prior art keywords
nickel
tin
electroplating
layer
base substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/578,258
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English (en)
Inventor
Qiming Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIJIA POWER GLORY BATTERY TECH (SHENZHEN) Co Ltd
Original Assignee
LIJIA POWER GLORY BATTERY TECH (SHENZHEN) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIJIA POWER GLORY BATTERY TECH (SHENZHEN) Co Ltd filed Critical LIJIA POWER GLORY BATTERY TECH (SHENZHEN) Co Ltd
Assigned to LIJIA POWER GLORY BATTERY TECH (SHENZHEN) CO. LTD. reassignment LIJIA POWER GLORY BATTERY TECH (SHENZHEN) CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WANG, QIMING
Publication of US20130071738A1 publication Critical patent/US20130071738A1/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • C25D3/14—Electroplating: Baths therefor from solutions of nickel or cobalt from baths containing acetylenic or heterocyclic compounds
    • C25D3/18—Heterocyclic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/30—Electroplating: Baths therefor from solutions of tin
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0438—Processes of manufacture in general by electrochemical processing
    • H01M4/045—Electrochemical coating; Electrochemical impregnation
    • H01M4/0452—Electrochemical coating; Electrochemical impregnation from solutions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/75—Wires, rods or strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the embodiments of the present invention relate to an electrode tab that is intended to be welded for connection with positive or negative electrode in a soft-packaged lithium battery.
  • the aluminum tab has to be connected with nickel strip. But, it is liable to be dewelded or broken. A pure nickel tab is very expensive.
  • the welding of the tab for connection with positive or negative electrode is usually by ultrasonic or laser heating. These kinds of methods of welding produce lots of heat that is likely to affect or damage a sealing of soft-packaged lithium battery, particular the ultra-thin type. In case of overheating occurred with high power or high temperature produced when welding the tab onto the electrode terminal of soft-packaged lithium battery, which causes deforming of the aluminum-plastic envelope film, leaking of the electrolyte, and melting the lithium metal, thus, the performance and lifetime of the battery both be lowed.
  • Present invention provides an electrode tab for soft-packaged lithium battery with lower cost of production, well-being welded capability and proper heat conductivity, and be manufactured by an easy-operating electroplating and a well-being welded application method without damaging the battery, which comprises:
  • a nickel layer is plated onto one side surface of one end of the base substrate
  • a tined layer is plated onto said nickel plating
  • a tined layer is plated onto one side surface of one end of a base substrate that is a nickel strip or a nickel-coated strip;
  • the thickness of said nickel layer is 0.5 -2 um;
  • the thickness of said tined layer is 3-10 um;
  • the thickness of said base substrate is 0.03-0.10mm;
  • the method of electroplating the nickel and tin layers onto the non-nickel base substrate comprising:
  • a nickel layer is plated onto one side surface of one end of the non-nickel base substrate
  • the pH value herein of the media for electroplating is adjusted by adding HCl and NaOH solution.
  • an electrolytic solution comprising the following components:
  • the method of electroplating the nickel and tin layers onto the non-nickel base substrate executes under following steps and conditions:
  • the electrolytic solution comprising:
  • laser welding technology is applied to heat the back side surface which is not plated with the tined layer at the end of the base strip where the tin and/or nickel layer is plated, the energy of said laser is transformed into heat when illuminating the base strip, and conducted through the material of base strip to the plated tin layer, the tin layer is going to melt when the melting point is reached, and then weld the tin layer onto the electrode terminal of a soft package lithium battery.
  • Said laser welding technology comprising following parameters:
  • the tin and nickel tiered/single tin filming tab structures herein is well-being welded, particularly for laser welding due to the melting point of tin is low, which needs less heat and time to melt the tined layer and weld the tab onto the metal, if tined layer is not apply on the tab, the material of base substrate is with much higher melting point, which needs massive heat produced by resistance, ultrasonic or argon-arc welding methods, but, said welding methods consume longer executing time, and the produced heat would affect or damage a sealing of soft-packaged lithium battery, particular the ultra-thin type.
  • the tin and nickel tiered/single tin filming tab structures of present invention are appealed by multiple examinations, which are easy to be welded on the metal by heating the side without plating tined layer of the tined end of the base substrate with laser, thus, reach solid welding, unharmed to the battery, and low cost of production.
  • FIG. 1 is scheme of 1 st embodiment of present invention which is the structure of plated layers on the electrode tab.
  • FIG. 2 is scheme of 2nd embodiment of present invention which is the structure of plated layer on the nickel electrode tab.
  • non-nickel base substrate is used as the strip.
  • 1 um of nickel layer 2 is plated onto one side surface of one end of the non-nickel base substrate 1 that herein a strip of SUS430 stainless steel with a thickness of 0.05 mm is chosen, and a 5 um of tined layer 3 is plated onto the 1 um of nickel layer 2 .
  • Laser light wavelength 1.06 um, Laser output power 20 W, Laser output frequency 2000 Hz, Laser pulse width 100 nm, Laser illuminating time 10 ms.
  • nickel or nickel-coated base substrate is used as the strip.
  • Laser light wavelength 1.06 um, Laser output power 37 W, Laser output frequency 2000 Hz, Laser pulse width 100 nm, Laser illuminating time 16 ms.
  • Laser light wavelength 1.06 um, Laser output power 35 W, Laser output frequency 2000 Hz, Laser pulse width 100 nm, Laser illuminating time 15 ms.
  • Laser light wavelength 1.06 um, Laser output power 33 W, Laser output frequency 2000 Hz, Laser pulse width 100 nm, Laser illuminating time 15 ms.

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  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
US13/578,258 2010-02-10 2011-01-31 Soft package lithium battery tab material and its method of plating and application Abandoned US20130071738A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN20101010127.0 2010-02-10
CN2010101101270A CN101771142B (zh) 2010-02-10 2010-02-10 一种软包锂电池极耳材料及其电镀和应用方法
PCT/CN2011/000178 WO2011097949A1 (zh) 2010-02-10 2011-01-31 一种软包锂电池极耳材料及其电镀方法及应用

Publications (1)

Publication Number Publication Date
US20130071738A1 true US20130071738A1 (en) 2013-03-21

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US13/578,258 Abandoned US20130071738A1 (en) 2010-02-10 2011-01-31 Soft package lithium battery tab material and its method of plating and application

Country Status (5)

Country Link
US (1) US20130071738A1 (zh)
EP (1) EP2557614A4 (zh)
JP (1) JP5638630B2 (zh)
CN (1) CN101771142B (zh)
WO (1) WO2011097949A1 (zh)

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CN105606523A (zh) * 2016-01-18 2016-05-25 中国科学院金属研究所 模拟镀锌钢在沿海工业大气环境下腐蚀过程的试验方法
WO2017190042A1 (en) * 2016-04-29 2017-11-02 Nuburu, Inc Visible laser welding of electronic packaging, automotive electrics, battery and other components
US9834848B2 (en) 2014-06-25 2017-12-05 Nisshin Steel Co., Ltd. Sn-plated stainless steel sheet
US10562132B2 (en) 2013-04-29 2020-02-18 Nuburu, Inc. Applications, methods and systems for materials processing with visible raman laser
US10634842B2 (en) 2017-04-21 2020-04-28 Nuburu, Inc. Multi-clad optical fiber
US10656328B2 (en) 2016-04-29 2020-05-19 Nuburu, Inc. Monolithic visible wavelength fiber laser
US10804680B2 (en) 2017-06-13 2020-10-13 Nuburu, Inc. Very dense wavelength beam combined laser system
US10940562B2 (en) 2017-01-31 2021-03-09 Nuburu, Inc. Methods and systems for welding copper using blue laser
US10940536B2 (en) 2013-04-29 2021-03-09 Nuburu, Inc. Devices, systems and methods for three-dimensional printing
US10971896B2 (en) 2013-04-29 2021-04-06 Nuburu, Inc. Applications, methods and systems for a laser deliver addressable array
US20220072659A1 (en) * 2016-04-29 2022-03-10 Nuburu, Inc. Methods and Systems for Reducing Hazardous Byproduct from Welding Metals Using Lasers
CN114824600A (zh) * 2022-04-22 2022-07-29 江苏正力新能电池技术有限公司 一种圆柱电池的焊接方法与制备方法及焊接结构
US20220314353A1 (en) * 2019-02-01 2022-10-06 Vacuumschmelze Gmbh & Co. Kg Method for pre-treating stainless steel substrates before soldering using nanocrystalline solder foils
US11527805B2 (en) 2018-01-05 2022-12-13 Lg Energy Solution, Ltd. Laser welding apparatus comprising laser beam blocking block
US11612957B2 (en) * 2016-04-29 2023-03-28 Nuburu, Inc. Methods and systems for welding copper and other metals using blue lasers
US11646549B2 (en) 2014-08-27 2023-05-09 Nuburu, Inc. Multi kW class blue laser system
US11862927B2 (en) 2019-02-02 2024-01-02 Nuburu, Inc. High reliability high power high brightness blue laser diode systems and methods of making the same
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* Cited by examiner, † Cited by third party
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US10940536B2 (en) 2013-04-29 2021-03-09 Nuburu, Inc. Devices, systems and methods for three-dimensional printing
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